问题
解答题
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答案
49÷7=7,320-86=234,56+19=75,4×8+9=41,46+48=94,52÷7=7…3,
3000+520=3520,7×6-5=37,4×9÷6=6,4000+780=4780,5×5+3=28,80-(45+7)=28.
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49÷7=7,320-86=234,56+19=75,4×8+9=41,46+48=94,52÷7=7…3,
3000+520=3520,7×6-5=37,4×9÷6=6,4000+780=4780,5×5+3=28,80-(45+7)=28.